<template>
    <div class="outer">
        <!-- 三级分类导航 -->
        <TypeNav />
        <div class="main">
            <div class="py-container">
                <!--面包屑导航-->
                <div class="bread">
                    <ul class="fl sui-breadcrumb">
                        <li>
                            <span href="#">全部结果</span>
                        </li>
                    </ul>
                    <ul class="fl sui-tag">
                        <!-- <li class="with-x" v-show="searchParams.categoryName">
                            {{ searchParams.categoryName }}
                            <i @click="removeCategoryName">×</i>
                        </li> -->
                        <li class="with-x" v-show="searchParams.categoryName">{{ searchParams.categoryName }}
                            <i @click="removeCategoryName">×</i>
                        </li>
                        <li class="with-x" v-show="searchParams.keyword">
                            {{ searchParams.keyword }}
                            <i @click="removeKeyword">×</i>
                        </li>
                        <li class="with-x" v-show="trademark">
                            {{ trademark }}
                            <i @click="removeTrademark">×</i>
                        </li>
                        <!-- 展示props -->
                        <li class="with-x" v-for="prop, index in propsList" :key="index">
                            {{ prop }}
                            <i @click="removeProp(index)">×</i>
                        </li>
                    </ul>
                </div>

                <!-- 搜索器 -->
                <SearchSelector @get-propsParams="savePropsParams" @get-trademark="saveTrademark" />

                <!--商品展示区-->
                <div class="details clearfix">
                    <!-- 列表操作区 -->
                    <div class="sui-navbar">
                        <div class="navbar-inner filter">
                            <ul class="sui-nav">
                                <li :class="{ active: isComprehensive }" @click="changeOrder('1')">
                                    <a href="javascript:;">
                                        综合
                                        <span v-show="isComprehensive" class="iconfont"
                                            :class="{ 'icon-xiangshang4': isUp, 'icon-xiangxia4': !isUp }"></span>
                                    </a>
                                </li>
                                <li :class="{ active: !isComprehensive }" @click="changeOrder('2')">
                                    <a href="javascript:;">
                                        价格
                                        <span v-show="!isComprehensive" class="iconfont"
                                            :class="{ 'icon-xiangshang4': isUp, 'icon-xiangxia4': !isUp }"></span>
                                    </a>
                                </li>
                            </ul>
                        </div>
                    </div>
                    <!-- 商品列表 -->
                    <div class="goods-list">
                        <ul class="yui3-g">
                            <li class="yui3-u-1-5" v-for="good in goodsList" :key="good.id">
                                <div class="list-wrap">
                                    <div class="p-img">
                                        <a href="item.html"><img :src="good.defaultImg" /></a>
                                    </div>
                                    <div class="price">
                                        <strong>
                                            <em>¥</em>
                                            <i> {{ good.price }}.00</i>
                                        </strong>
                                    </div>
                                    <div class="attr">
                                        <router-link :to="'/detail/' + good.id" :title="good.title">{{ good.title
                                        }}</router-link>
                                    </div>
                                    <div class="commit">
                                        <i class="command">已有<span>2000</span>人评价</i>
                                    </div>
                                    <div class="operate">
                                        <a href="success-cart.html" target="_blank"
                                            class="sui-btn btn-bordered btn-danger">加入购物车</a>
                                        <a href="javascript:void(0);" class="sui-btn btn-bordered">收藏</a>
                                    </div>
                                </div>
                            </li>
                        </ul>
                    </div>
                    <!-- 分页器 -->
                    <!-- <div class="fr page">
                        <div class="sui-pagination clearfix">
                            <ul>
                                <li class="prev disabled">
                                    <a href="#">«上一页</a>
                                </li>
                                <li class="active">
                                    <a href="#">1</a>
                                </li>
                                <li>
                                    <a href="#">2</a>
                                </li>
                                <li>
                                    <a href="#">3</a>
                                </li>
                                <li>
                                    <a href="#">4</a>
                                </li>
                                <li>
                                    <a href="#">5</a>
                                </li>
                                <li class="dotted"><span>...</span></li>
                                <li class="next">
                                    <a href="#">下一页»</a>
                                </li>
                            </ul>
                            <div><span>共10页&nbsp;</span></div>
                        </div>
                    </div> -->
                    <Pagination :total="total" :pageSize="searchParams.pageSize" :continues="3"
                        :pageNo="searchParams.pageNo" @pre="prePage" @next="nextPage" @jumpPages="jumpToPages">
                    </Pagination>
                    <!-- <Pagination :total="searchGoodsData.total" :pageSize="searchGoodsData.pageSize" :continues="3"
                        :pageNo="searchGoodsData.pageNo"></Pagination> -->
                </div>
            </div>
        </div>
    </div>
</template>

<script>
import { mapActions, mapGetters, mapState } from 'vuex'
// 导入SearchSelector
import SearchSelector from './SearchSelector'
// 导入fontClass代码的样式文件
import './fonts/iconfont.css'
export default {
    name: "Search",
    data() {
        return {
            searchParams: {
                category1Id: '', // 一级分类id
                category2Id: '', // 二级分类id
                category3Id: '', // 三级分类id
                categoryName: '', // 分类名称
                keyword: '', // 搜索框中的关键词
                props: [], // 那些详细的属性 比如: 品牌 运行内存 手机内存 电池容量...
                trademark: '', // 品牌属性
                order: '1:asc', // 排序  参数：2:desc
                pageNo: 1, // 当前页码
                pageSize: 5 // 每页显示的数量
            },
            propsList: []
        }
    },
    components: {
        SearchSelector
    },
    methods: {
        ...mapActions('search', ['getSearchGoodsData']),
        // 移除货物名称
        removeCategoryName() {
            // 首先清除categoryName
            // this.searchParams.categoryName = undefined; // 发请求时，undefined会被忽略
            // 路由地址也会改变
            // console.log(1111);
            this.$router.push({
                name: 'search',
                params: this.$route.params
            })
            // 然后再重新发送请求
            // this.getSearchGoodsData(this.searchParams);
        },
        // 移除关键字
        removeKeyword() {
            // 清空参数中的keyword
            this.searchParams.keyword = undefined;
            this.$router.push({
                name: 'search',
                query: this.$route.query
            });
            // 触发Header中的自定义事件，清空输入框中的数据
            this.$bus.$emit('clear-keyword');
        },
        // 移除品牌
        removeTrademark() {
            this.searchParams.trademark = '';
        },
        // 移除Props
        removeProp(index) {
            // 更改searchParams中的props即可
            this.searchParams.props.splice(index, 1);
        },
        // 自定义事件获取品牌参数
        saveTrademark(trademark) {
            const { tmId, tmName } = trademark;
            // // 更新参数（此时会自动发送请求）
            this.searchParams.trademark = `${tmId}:${tmName}`;
        },
        // props参数
        savePropsParams(attr, attrValue) {
            const prop = `${attr.attrId}:${attrValue}:${attr.attrName}`
            if (this.searchParams.props.includes(prop)) return; // 已存在则不更改
            this.searchParams.props.push(prop); // 不存在则添加
        },
        // 上一页
        prePage() {
            this.searchParams.pageNo--;
        },
        // 下一页
        nextPage() {
            this.searchParams.pageNo++;
        },
        // 跳转页面
        jumpToPages(page) {
            this.searchParams.pageNo = page;
        },
        // 点击切换综合/价格
        changeOrder(newNum) {
            // 解构searchParams中的order
            let [oldNum, type] = this.searchParams.order.split(':')
            if (newNum === oldNum) { // 与原本的相同，则切换排序
                if (type === 'asc') {
                    this.searchParams.order = `${oldNum}:desc`
                } else {
                    this.searchParams.order = `${oldNum}:asc`
                }
                this.searchParams.order = `${oldNum}:${type === 'asc' ? 'desc' : 'asc'}`
            } else { // 求换综合/价格
                return this.searchParams.order = `${newNum}:asc` // 默认升序
            }
        }
    },
    computed: {
        trademark() {
            // 更新面包屑中品牌的值
            if (this.searchParams.trademark) {
                return this.searchParams.trademark.split(':')[1]
            } else {
                return ''
            }
        },
        // goodsList
        ...mapGetters('search', ['goodsList', 'pageNo', 'total']),
        ...mapState('search', ['searchGoodsData']),
        // 综合(comprehensive)、价格(price)
        isComprehensive() {
            // 从searchParams中将order解构出来
            // if (this.searchParams.order.split(':')[0] === '1') {     // 获取综合/价格，1---综合；2---价格
            //     return true
            // } else {
            //     return false
            // }
            return this.searchParams.order.split(':')[0] === '1'
        },
        // 上下箭头
        isUp() {
            return this.searchParams.order.split(':')[1] === 'asc'
        }

    },
    watch: {
        $route: {
            // 不需要开启深度监听，因为生成的路由规则都是新的
            immediate: true, // 必须开启立即监听  一跳过来就监听
            handler(newValue, OldValue) {
                // 1、首先拿到params和query参数
                const { params, query } = newValue // 此处的newValue就是监听到的this.$route变化后的值
                // console.log('----', newValue); // 正常
                // 2、然后使用Object.assign()方法重置覆盖式赋值参数
                Object.assign(this.searchParams, {
                    category1Id: undefined,
                    category2Id: undefined,
                    category3Id: undefined,
                    categoryName: undefined,
                    keyword: undefined
                }, params, query);
                // console.log(this.searchParams);
                // console.log(this.searchParams.categoryName);

                // 3、最后用新的参数覆盖原本的参数
                // Object.assign(this.searchParams, query, params)
                // console.log(this.searchParams);

                // 4、调用封装发送请求，并将数据存放到store中的search模块
                // 在监听searchParams中发送请求
                // this.getSearchGoodsData(this.searchParams)
            }
        },
        // 监听参数发送请求
        searchParams: {
            immediate: true, // 立即监听
            deep: true, // 深度监听
            handler(newValue) {
                this.getSearchGoodsData(newValue);

                // 设置propsList
                this.propsList = this.searchParams.props.map(item => {
                    return `${item.split(':')[2]}:${item.split(':')[1]}`
                })
            }
        }
    },
}
</script>

<style lang="less" scoped>
.main {
    margin: 10px 0;

    .py-container {
        width: 1200px;
        margin: 0 auto;

        .bread {
            margin-bottom: 5px;
            overflow: hidden;

            .sui-breadcrumb {
                padding: 3px 15px;
                margin: 0;
                font-weight: 400;
                border-radius: 3px;
                float: left;

                li {
                    display: inline-block;
                    line-height: 18px;

                    a {
                        color: #666;
                        text-decoration: none;

                        &:hover {
                            color: #4cb9fc;
                        }
                    }
                }
            }

            .sui-tag {
                margin-top: -5px;
                list-style: none;
                font-size: 0;
                line-height: 0;
                padding: 5px 0 0;
                margin-bottom: 18px;
                float: left;

                .with-x {
                    font-size: 12px;
                    margin: 0 5px 5px 0;
                    display: inline-block;
                    overflow: hidden;
                    color: #000;
                    background: #f7f7f7;
                    padding: 0 7px;
                    height: 20px;
                    line-height: 20px;
                    border: 1px solid #dedede;
                    white-space: nowrap;
                    transition: color 400ms;
                    cursor: pointer;

                    i {
                        margin-left: 10px;
                        cursor: pointer;
                        font: 400 14px tahoma;
                        display: inline-block;
                        height: 100%;
                        vertical-align: middle;
                    }

                    &:hover {
                        color: #28a3ef;
                    }
                }
            }
        }

        .details {
            margin-bottom: 5px;

            .sui-navbar {
                overflow: visible;
                margin-bottom: 0;

                .filter {
                    min-height: 40px;
                    padding-right: 20px;
                    background: #fbfbfb;
                    border: 1px solid #e2e2e2;
                    padding-left: 0;
                    border-radius: 0;
                    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.065);

                    .sui-nav {
                        position: relative;
                        left: 0;
                        display: block;
                        float: left;
                        margin: 0 10px 0 0;

                        li {
                            float: left;
                            line-height: 18px;

                            a {
                                display: block;
                                cursor: pointer;
                                padding: 11px 15px;
                                color: #777;
                                text-decoration: none;
                            }

                            &.active {
                                a {
                                    background: #e1251b;
                                    color: #fff;
                                }
                            }
                        }
                    }
                }
            }

            .goods-list {
                margin: 20px 0;

                ul {
                    display: flex;
                    flex-wrap: wrap;

                    li {
                        height: 100%;
                        width: 20%;
                        margin-top: 10px;
                        line-height: 28px;

                        .list-wrap {
                            .p-img {
                                padding-left: 15px;
                                width: 215px;
                                height: 255px;

                                a {
                                    color: #666;

                                    img {
                                        max-width: 100%;
                                        height: auto;
                                        vertical-align: middle;
                                    }
                                }
                            }

                            .price {
                                padding-left: 15px;
                                font-size: 18px;
                                color: #c81623;

                                strong {
                                    font-weight: 700;

                                    i {
                                        margin-left: -5px;
                                    }
                                }
                            }

                            .attr {
                                padding-left: 15px;
                                width: 85%;
                                overflow: hidden;
                                margin-bottom: 8px;
                                min-height: 38px;
                                cursor: pointer;
                                line-height: 1.8;
                                display: -webkit-box;
                                -webkit-box-orient: vertical;
                                -webkit-line-clamp: 2;

                                a {
                                    color: #333;
                                    text-decoration: none;
                                }
                            }

                            .commit {
                                padding-left: 15px;
                                height: 22px;
                                font-size: 13px;
                                color: #a7a7a7;

                                span {
                                    font-weight: 700;
                                    color: #646fb0;
                                }
                            }

                            .operate {
                                padding: 12px 15px;

                                .sui-btn {
                                    display: inline-block;
                                    padding: 2px 14px;
                                    box-sizing: border-box;
                                    margin-bottom: 0;
                                    font-size: 12px;
                                    line-height: 18px;
                                    text-align: center;
                                    vertical-align: middle;
                                    cursor: pointer;
                                    border-radius: 0;
                                    background-color: transparent;
                                    margin-right: 15px;
                                }

                                .btn-bordered {
                                    min-width: 85px;
                                    background-color: transparent;
                                    border: 1px solid #8c8c8c;
                                    color: #8c8c8c;

                                    &:hover {
                                        border: 1px solid #666;
                                        color: #fff !important;
                                        background-color: #666;
                                        text-decoration: none;
                                    }
                                }

                                .btn-danger {
                                    border: 1px solid #e1251b;
                                    color: #e1251b;

                                    &:hover {
                                        border: 1px solid #e1251b;
                                        background-color: #e1251b;
                                        color: white !important;
                                        text-decoration: none;
                                    }
                                }
                            }
                        }
                    }
                }
            }

            .page {
                width: 733px;
                height: 66px;
                overflow: hidden;
                float: right;

                .sui-pagination {
                    margin: 18px 0;

                    ul {
                        margin-left: 0;
                        margin-bottom: 0;
                        vertical-align: middle;
                        width: 490px;
                        float: left;

                        li {
                            line-height: 18px;
                            display: inline-block;

                            a {
                                position: relative;
                                float: left;
                                line-height: 18px;
                                text-decoration: none;
                                background-color: #fff;
                                border: 1px solid #e0e9ee;
                                margin-left: -1px;
                                font-size: 14px;
                                padding: 9px 18px;
                                color: #333;
                            }

                            &.active {
                                a {
                                    background-color: #fff;
                                    color: #e1251b;
                                    border-color: #fff;
                                    cursor: default;
                                }
                            }

                            &.prev {
                                a {
                                    background-color: #fafafa;
                                }
                            }

                            &.disabled {
                                a {
                                    color: #999;
                                    cursor: default;
                                }
                            }

                            &.dotted {
                                span {
                                    margin-left: -1px;
                                    position: relative;
                                    float: left;
                                    line-height: 18px;
                                    text-decoration: none;
                                    background-color: #fff;
                                    font-size: 14px;
                                    border: 0;
                                    padding: 9px 18px;
                                    color: #333;
                                }
                            }

                            &.next {
                                a {
                                    background-color: #fafafa;
                                }
                            }
                        }
                    }

                    div {
                        color: #333;
                        font-size: 14px;
                        float: right;
                        width: 241px;
                    }
                }
            }
        }
    }
}
</style>